how to change UISearchBar from round to rectangle?

Question

i will like to know how do i need to change a UISearchBar from the default round curve to a rectangle.

Answer 1

Swift 3

    let textFieldInsideUISearchBar = searchBar.value(forKey: "searchField") as? UITextField
    textFieldInsideUISearchBar?.borderStyle = .none
    textFieldInsideUISearchBar?.backgroundColor = UIColor.white